This 3-minute video lesson introduces the concept of abolute value.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 3-minute video lesson introduces the concept of abolute value.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 8-minute video lesson continues to look at absolute inequalities.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 6-minute video lesson looks at absolute value and number lines.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

To add the vectors (x₁,y₁) and (x₂,y₂), we add the corresponding components from each vector: (x₁+x₂,y₁+y₂). Here's a concrete example: the sum of (2,4) and (1,5) is (2+1,4+5), which is (3,9). There's also a nice graphical way to add vectors, and the two ways will always result in the same vector.

- Subject:
- Algebra
- Material Type:
- Lesson
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Salman Khan

Conditions of Use:

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This arithmetic lesson gives additional practice carrying multiple digit numbers and reviews multiple of tens.

- Subject:
- Numbers and Operations
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 8-minute video lesson continues to look at absolute inequalities.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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An introduction to adding, subtracting and multiplying complex numbers. [Algebra: Lesson 34 of 86]

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 5-minute video lesson looks at adding and simplifying radicals.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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A demonstration of the use of algebra for more advanced ratio problems.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This lesson introduces the use of algebra for solving age word problems.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This lesson continues the explanation for the use of algebra to solve age word problems.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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A demonstration of using algebra to solve age word problems.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 4-minute video lesson continues to demonstrate how to solve radical equations.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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A demonstration of how to divide one polynomial into another polynomial.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This demonstration presents an alternate solution to the advanced ration problem for algebra in the previous lesson.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This algebra lesson is an introduction to functions.

- Subject:
- Algebra
- Functions
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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How to use algebra to find the full price when the discount price is known.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 5-minute video lesson looks at applying radical equations.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 7-minute video lesson looks at applying radical equations.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman

Conditions of Use:

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This 3-minute video lesson looks at applying radical equations.

- Subject:
- Algebra
- Material Type:
- Lecture
- Provider:
- Khan Academy
- Provider Set:
- Khan Academy
- Author:
- Khan, Salman